<template>
  	<div class="login_page fillcontain">
	  	<transition name="form-fade" mode="in-out">
	  		<section class="form_contianer" v-show="showLogin">
		  		<div class="manage_tip">
		  			<p>预约排课后台管理系统</p>
		  		</div>
		    	<el-form :model="loginForm" :rules="rules" ref="loginForm">
					<el-form-item prop="username">
						<el-input v-model="loginForm.username" placeholder="用户名"><span>dsfsf</span></el-input>
					</el-form-item>
					<el-form-item prop="password">
						<el-input type="password" placeholder="密码" v-model="loginForm.password"></el-input>
					</el-form-item>
					<el-form-item>
				    	<el-button type="primary" @click="submitForm('loginForm')" class="submit_btn">登陆</el-button>
				  	</el-form-item>
				</el-form>
				<!-- <p class="tip">温馨提示：</p>
				<p class="tip">未登录过的新用户，自动注册</p> -->
				<p class="tip">欢迎来到预约排课平台</p>
	  		</section>
	  	</transition>
  	</div>
</template>

<script>
import { login } from "@/api/getData";
import { mapActions, mapState } from "vuex";

export default {
  data() {
    return {
      loginForm: {
        username: "",
        password: ""
      },
      rules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" }
        ],
        password: [{ required: true, message: "请输入密码", trigger: "blur" }]
      },
      showLogin: false
    };
  },
  mounted() {
    this.showLogin = true;
    if (!this.adminInfo.id) {
      this.getAdminData();
    }
  },
  computed: {
    ...mapState(["adminInfo"])
  },
  methods: {
    ...mapActions(["getAdminData"]),
    async submitForm(formName) {
      this.$refs[formName].validate(async valid => {
        if (valid) {
          const res = await login({
            username: this.loginForm.username,
            password: this.loginForm.password
          });
          if (res.resCode == 0) {
            window.localStorage.setItem("user-token", res.data.token);
            //todo 存储当前用户权限
            window.localStorage.setItem("current-user-role", res.data.role);
            window.localStorage.setItem("current-admin-id", res.data.id);
            this.$message({
              type: "success",
              message: "登录成功"
            });
            this.$router.push("manage");
          } else {
            this.$message({
              type: "error",
              message: "登录失败"
            });
          }
        } else {
          this.$notify.error({
            title: "错误",
            message: "请输入正确的用户名密码",
            offset: 100
          });
          return false;
        }
      });
    }
  },
  watch: {
    adminInfo: function(newValue) {
      if (newValue.id) {
        this.$message({
          type: "success",
          message: "检测到您之前登录过，将自动登录"
        });
        this.$router.push("manage");
      }
    }
  }
};
</script>

<style lang="less" scoped>
@import "../style/mixin";
.login_page {
  background-color: #324057;
}
.manage_tip {
  position: absolute;
  width: 100%;
  top: -100px;
  left: 0;
  p {
    font-size: 34px;
    color: #fff;
  }
}
.form_contianer {
  .wh(320px, 210px);
  .ctp(320px, 210px);
  padding: 25px;
  border-radius: 5px;
  text-align: center;
  background-color: #fff;
  .submit_btn {
    width: 100%;
    font-size: 16px;
  }
}
.tip {
  font-size: 12px;
  color: #324057;
}
.form-fade-enter-active,
.form-fade-leave-active {
  transition: all 1s;
}
.form-fade-enter,
.form-fade-leave-active {
  transform: translate3d(0, -50px, 0);
  opacity: 0;
}
</style>
